<?php
class Qp_Url
{
    /**
     *
     * @param string $class name of a class
     * @return string url path to the class
     */
    public static function helperUrlToClass($class)
    {
        public static function getUrlToClass($className)

        $classNameArray = explode('_', $className);
        array_pop($classNameArray);

        return  WPMU_PLUGIN_URL . '/' . implode('/', $classNameArray);

    }
}